VIM: search urls

I found a nice search pattern to find all emails in a text in VIM:

\([a-zA-Z0-9.开发者_如何转开发_%+-]\+@[a-zA-Z0-9.-]\+\.[a-zA-Z]\{2,4}\)

Does anyone has a nice search command to find all url's in VIM?

This should do it - \(\(ht\|f\)tp:\/\/\.*\)\s